#include <stdio.h>
int main ()

{
	char arr1[] = "welcome to china!!!";
	char arr2[] = "*******************";
	int left = 0;
	int right = strlen(arr1) - 1;
	while (left <= right)
	{
    arr2[left] = arr1[left];
	arr2[right] = arr1[right];
	left++;
	right--;
	printf("%s\n", arr2);
	
	}
	return 0;

}